APTO

Aptose Biosciences, Inc.
APTO

Overview Fund Activity
Delisted

APTO was delisted on the 1st of April, 2025.

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58 hedge funds and large institutions have $42.6M invested in Aptose Biosciences, Inc. in 2021 Q4 according to their latest regulatory filings, with 11 funds opening new positions, 22 increasing their positions, 14 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
58
Holders Change
-6
Holders Change %
-9.38%
% of All Funds
0.9%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
11
Increased
22
Reduced
14
Closed
17
Calls
$197K
Puts
$102K
Net Calls
+$95K
Net Calls Change
+$214K

Top Buyers

1
CC
1
Carlson Capital
Texas
$1.89M
2
SMH
2
Sanders Morris Harris
Texas
$2.92M
3
VC
3
Voss Capital
Texas
$743K
4
Two Sigma Investments
4
Two Sigma Investments
New York
$930K
5
Millennium Management
5
Millennium Management
New York
$1.47M

Top Sellers

1
FLAM
1
First Light Asset Management
Minnesota
$0
2
CAM
2
Cormorant Asset Management
Massachusetts
$0
3
O
3
OrbiMed
New York
$0
4
6CM
4
683 Capital Management
New York
$2.73M
5
OM
5
Opaleye Management
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
PFGIA
51
Patriot Financial Group Insurance Agency
Massachusetts
$13K -$58.5K -99 -82%
TRCT
52
Tower Research Capital (TRC)
New York
$9K -$27K -42 -75%
CAPTRUST Financial Advisors
53
CAPTRUST Financial Advisors
North Carolina
$9K – – –
Northwestern Mutual Wealth Management
54
Northwestern Mutual Wealth Management
Wisconsin
$7K +$4.46K +7 +175%
HWM
55
HighMark Wealth Management
Minnesota
$6K +$6K +10 New
Osaic Holdings
56
Osaic Holdings
Arizona
$5K +$1.11K +2 +29%
BHWM
57
Beaird Harris Wealth Management
Texas
$5K +$5K +8 New
Simplex Trading
58
Simplex Trading
Illinois
$2K -$21K -42 -91%
FLAM
59
First Light Asset Management
Minnesota
– -$9M -9,174 Closed
CAM
60
Cormorant Asset Management
Massachusetts
– -$6.54M -6,667 Closed
O
61
OrbiMed
New York
– -$5.66M -5,765 Closed
OM
62
Opaleye Management
Massachusetts
– -$1.2M -1,220 Closed
WP
63
Woodline Partners
California
– -$481K -490 Closed
JF
64
Jump Financial
Illinois
– -$229K -234 Closed
PM
65
Prosight Management
Texas
– -$154K -157 Closed
RCG
66
Rock Creek Group
District of Columbia
– -$147K -150 Closed
Walleye Trading
67
Walleye Trading
New York
– -$135K -138 Closed
XT
68
XTX Topco
Cayman Islands
– -$93K -95 Closed
Wolverine Trading
69
Wolverine Trading
Illinois
– -$35K -33 Closed
JAWM
70
J. Arnold Wealth Management
Ohio
– -$31K -31 Closed
Bank of Montreal
71
Bank of Montreal
Ontario, Canada
– -$30K -24 Closed
AFM
72
Abbot Financial Management
Massachusetts
– -$22K -22 Closed
QT
73
Quantbot Technologies
New York
– -$20K -20 Closed
TCWM
74
Total Clarity Wealth Management
Illinois
– -$9K -9 Closed
PNC Financial Services Group
75
PNC Financial Services Group
Pennsylvania
– -$7K -7 Closed
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